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Finding the Fourth Proportional to 186,103.35, 256,820.70 and 101,220.39

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Solution

The fourth proportional to 186,103.35, 256,820.70 and 101,220.39 is: 139,683.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,103.35 : 256,820.70 = 101,220.39 : x
  2. Step 2: Convert to fraction form
    186,103.35/256,820.70 = 101,220.39/x
  3. Step 3: Cross multiply
    186,103.35x = 256,820.70 × 101,220.39
  4. Step 4: Simplify right side
    186,103.35x = 25,995,491,414.07
  5. Step 5: Solve for x
    x = 25,995,491,414.07/186,103.35
  6. Step 6: Final answer
    x = 139,683.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.